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Note | Regular issue | Vol 68, No. 2, 2006, pp.331-338
Published online, 16th December, 2005
DOI: 10.3987/COM-05-10587
A New Catalytic Application of a Keggin Acid in the Synthesis of Symmetrical Bis(indolyl)alkanes

Manas Chakrabarty,* Ajanta Mukherji, Sulakshana Karmakar, Shiho Arima, and Yoshihiro Harigaya

*Department of Chemistry, Bose Institute, 93/1, A. P. C. Road, Kolkata-700009, India

Abstract

Silicotungstic acid, H4SiW12O40, an important Keggin heteropoly acid, efficiently catalysed the reaction of indoles with aryl aldehydes in ethyl acetate solution at room temperature to furnish symmetrical bis(indolyl)alkanes expeditiously.